Member #526084

Member Since: March 1, 2014

Country: United States

  • I have two of these driven from an Arduino board via a TIP 102 darlington NPN transistor. They work fine except when the power is disconnected they still stay engaged - as if there is residual magnetism that the spring cannot overcome. If you tap the end they return to normal. Any idea how I can overcome this problem?

    Tony

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